{
  description = "EscapeAngle's Nix config";

  inputs = {
    # Nixpkgs
    nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";

    # Secrets
    sops-nix = {
      url = "github:Mic92/sops-nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # disko
    disko.url = "github:nix-community/disko";
    disko.inputs.nixpkgs.follows = "nixpkgs";

    # theme
    catppuccin.url = "github:catppuccin/nix/release-25.05";

    # Home manager
    home-manager.url = "github:nix-community/home-manager/release-25.05";
    home-manager.inputs.nixpkgs.follows = "nixpkgs";

    # deploy-rs
    deploy-rs.url = "github:serokell/deploy-rs";

    # nixos-wsl
    nixos-wsl.url = "github:nix-community/NixOS-WSL/main";

    # neovim
    nixvim.url = "git+https://git.escapeangle.com/lander/nixvim.git";

    # mailserver
    nixos-mailserver = {
      url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-25.05";
      inputs = {
        nixpkgs.follows = "nixpkgs";
      };
    };

    # headplane
    headplane = {
      url = "github:igor-ramazanov/headplane";
      inputs.nixpkgs.follows = "nixpkgs";
    };

    # tidalcycles
    tidalcycles = {
      url = "github:mitchmindtree/tidalcycles.nix";
    };
  };

  outputs =
    {
      self,
      nixpkgs,
      tidalcycles,
      deploy-rs,
      ...
    }@inputs:
    let
      inherit (self) outputs;

      # I only care about linux builds
      systems = [
        "aarch64-linux"
        "x86_64-linux"
      ];

      forAllSystems = nixpkgs.lib.genAttrs systems;
    in
    {
      # custom pkgs
      packages = forAllSystems (system: import ./pkgs nixpkgs.legacyPackages.${system});

      formatter = forAllSystems (system: nixpkgs.legacyPackages.${system}.alejandra);

      overlays = import ./overlays { inherit inputs; };

      nixosModules = import ./modules/nixos;
      homeManagerModules = import ./modules/home-manager;

      nixosConfigurations =
        let
          hetzner = import ./lib/hetzner.nix { inherit inputs nixpkgs; };
        in
        {
          # Workstations
          wodan = nixpkgs.lib.nixosSystem {
            specialArgs = { inherit inputs outputs; };
            modules = [
              {
                nixpkgs.overlays = [
                  tidalcycles.overlays.default
                  (_: prev: {
                    tailscale = prev.tailscale.overrideAttrs (old: {
                      checkFlags = builtins.map (
                        flag:
                        if prev.lib.hasPrefix "-skip=" flag then
                          flag + "|^TestGetList$|^TestIgnoreLocallyBoundPorts$|^TestPoller$"
                        else
                          flag
                      ) old.checkFlags;
                    });
                  })
                ];
              }
              { nixpkgs.overlays = [ tidalcycles.overlays.default ]; }
              ./hosts/wodan
            ];
          };
          widar = nixpkgs.lib.nixosSystem {
            specialArgs = { inherit inputs outputs; };
            modules = [
              ./hosts/widar
            ];
          };
          heimdall = nixpkgs.lib.nixosSystem {
            system = "x86_64-linux";
            specialArgs = { inherit inputs outputs; };
            modules = [
              ./hosts/heimdall
            ];
          };

          # servers
          db-01 = hetzner.mkHetznerMachine "db-01" {
            ipv6Address = "2a01:4f8:c012:15d4::/64";
          };
          hosting-01 = nixpkgs.lib.nixosSystem {
            system = "aarch64-linux";
            specialArgs = { inherit inputs outputs; };
            modules = [
              ./hosts/hosting-01
            ];
          };
          hosting-02 = hetzner.mkHetznerMachine "hosting-02" {
            ipv6Address = "2a01:4f8:c013:7fc0::/64";
          };
          mail-01 = nixpkgs.lib.nixosSystem {
            system = "aarch64-linux";
            specialArgs = { inherit inputs outputs; };
            modules = [
              ./hosts/mail-01
            ];
          };
        };

      deploy.nodes.hosting-02 = {
        hostname = "hosting-02.escapeangle.com";
        profiles.system = {
          user = "root";
          path = deploy-rs.lib.aarch64-linux.activate.nixos self.nixosConfigurations.hosting-02;
        };
      };

      checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
    };
}